CN210061833U

CN210061833U - Precise injection mold with hot runner system

Info

Publication number: CN210061833U
Application number: CN201920736003.XU
Authority: CN
Inventors: 燕泽美
Original assignee: Shenzhen Fei Li Mei Technology Co Ltd
Current assignee: Shenzhen Fei Li Mei Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-02-14
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a precise injection mold with a hot runner system, which comprises a heat insulation plate, a panel, a support plate, a front template, a rear template, a push plate, an ejector plate, a cushion block and a bottom plate which are connected in turn from left to right; the hot runner plate is arranged in the support plate, the wire connector is connected with the hot runner plate through a cable and fixed above the support plate, the middle of the hot runner plate is provided with a feeding nozzle, the head of the feeding nozzle is also provided with a positioning washer, the upper end and the lower end of the hot runner plate are also provided with nozzles, a mold core is arranged between the front template and the rear template, and the nozzles are inserted into the mold core; the utility model discloses install hot runner system additional before mould benevolence, saved raw and other materials, reduced process cost, shortened the shaping cycle, improved process efficiency, reduced the pressure when moulding plastics at every turn, effectively prevent the deformation of product.

Description

Precise injection mold with hot runner system

Technical Field

The utility model relates to an accurate injection mold especially involves an accurate injection mold with hot runner system.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Injecting the heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed product; the runner and the pouring gate need to be taken out after the traditional injection mold forms plastic each time, the product forming time is prolonged, and meanwhile, a part of plastic injected into the mold cavity can be solidified on the inner wall of the injection molding pipeline, so that the material is wasted.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the purpose of the utility model is to save raw materials and shorten the forming time of plastics.

A precision injection mold with a hot runner system comprises a heat insulation plate, a panel, a support plate, a front template, a rear template, a push plate, an ejector plate, a cushion block and a bottom plate which are sequentially connected from left to right; wherein be equipped with the hot runner board in the mounting panel, pass through the connector that the cable links to each other and be fixed in the mounting panel top with the hot runner board, the middle part of hot runner board is equipped with the feeding mouth, and the head of feeding mouth still is equipped with the locating washer, and the upper and lower both ends of hot runner board still are equipped with the nozzle, still are equipped with mould benevolence between front formwork and the back template, and the nozzle inserts inside the mould benevolence.

Furthermore, the hot runner plate adopts an I-shaped external heating type runner plate.

Further, the mold core is divided into a front mold core installed in the front mold plate and a rear mold core installed in the rear mold plate.

Furthermore, two groups of water conveying guide pipes are respectively arranged on the outer side surfaces of the front mold core and the rear mold core.

Furthermore, a guide sleeve is arranged on the front template, a guide pillar is arranged on the rear template, and the guide sleeve is movably connected with the guide pillar.

Furthermore, four groups of ejector rods are arranged between the rear template and the push plate, and the outer edges of the ejector rods are provided with return springs.

Furthermore, the number of the cushion blocks is two and the cushion blocks are fixed between the bottom plate and the rear template.

The utility model has the advantages that:

the hot runner system is additionally arranged in front of the mold core, so that raw materials are saved, the process cost is reduced, the forming period is shortened, the process efficiency is improved, the pressure during injection molding at each time is reduced, and the deformation of a product is effectively prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded view of a precision injection mold with a hot runner system according to the present invention.

Drawings

1. A heat insulation plate; 2. a panel; 3. a mounting plate; 4. a front template; 5. a rear template; 6. pushing the plate; 7. an ejector plate; 8. cushion blocks; 9. a base plate; 10. a mold core; 31. a hot runner; 32. a wire connector; 33. heating a tube; 41. a guide sleeve; 51. a guide post; 61. a top rod; 101. a front mold core; 102. a rear mold core; 103. a water carrying conduit; 311. a feed nozzle; 312. a positioning washer; 313. a nozzle; 611. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, inner and outer, and the center … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Example 1:

as shown in fig. 1, the precision injection mold with a hot runner system comprises a heat insulation plate 1, a panel 2, a support plate 3, a front template 4, a rear template 5, a push plate 6, an ejector plate 7, a cushion block 8 and a bottom plate 9 which are connected in sequence from left to right; wherein the support plate 3 is internally provided with a hot runner plate 31, and the hot runner plate 31 adopts an I-shaped external heating type runner plate; a connector 32 connected to the hot runner plate 31 by a cable (not shown) and fixed above the support plate 3, wherein the connector 32 is connected to an external power supply to supply power to a heating pipe 33 outside the hot runner plate 31, a feeding nozzle 311 is provided in the middle of the hot runner plate 31, a positioning washer 312 is provided at the head of the feeding nozzle 311, and the positioning washer 312 is used for preventing leakage when injecting molten plastic; the upper end and the lower end of the hot runner plate 31 are also provided with nozzles 313, and the nozzles 313 are communicated with the feeding nozzles 311 through pipelines in the hot runner plate 31; a mold core 10 is arranged between the front template 4 and the rear template 5, and the nozzle 313 is inserted into the mold core 10 and is used for injecting the plastic heated by the hot runner plate 31 into the mold core 10; the mold core 10 is divided into a front mold core 101 installed in the front mold plate 4 and a rear mold core 102 installed in the rear mold plate 5, and a mold cavity (not shown) formed between the front mold core 101 and the rear mold core 102 is used for injection molding; two groups of water conveying guide pipes 103 are respectively arranged on the outer side surfaces of the front mold core 101 and the rear mold core 102, and the two groups of water conveying guide pipes 103 are respectively used for inputting and outputting cooling water; the front template 4 is provided with a guide sleeve 41, the rear template 5 is provided with a guide post 51, and the guide sleeve 41 is movably connected with the guide post 51; four groups of ejector rods 61 are further arranged between the rear template 5 and the push plate 6, the ejector rods 61 are movably connected with the rear template 5, a return spring 611 is arranged on the outer edge of each ejector rod 61, and the length of the return spring 611 in a natural state is the length of a gap between the push plate 6 and the rear template 5; the number of the spacers 8 is two and is fixed between the bottom plate 9 and the rear mold plate 5.

The utility model discloses a theory of operation:

injecting melted plastic into the hot runner plate 31 through the feeding nozzle 311, heating the plastic inside by the heating pipe 33 outside the hot runner plate 31, injecting the heated plastic into the mold cavity through the nozzle 313, injecting cooling water through the water delivery conduit 103, condensing and forming the plastic, pushing the push plate 6 in the direction close to the rear mold plate 5, separating the front mold core 101 from the rear mold core 102 by the ejector rod 61, and taking out the injection molded product.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a precision injection mold with hot runner system which characterized in that: comprises a heat insulation plate, a panel, a support plate, a front template, a rear template, a push plate, an ejector plate, a cushion block and a bottom plate which are connected in sequence from left to right; the hot runner plate is arranged in the support plate, the connector is connected with the hot runner plate through a cable and fixed above the support plate, a feeding nozzle is arranged in the middle of the hot runner plate, a positioning washer is further arranged at the head of the feeding nozzle, nozzles are further arranged at the upper end and the lower end of the hot runner plate, a mold core is further arranged between the front template and the rear template, and the nozzles are inserted into the mold core.

2. A precision injection mold having a hot runner system according to claim 1, wherein: the hot runner plate adopts an I-shaped external heating type runner plate.

3. A precision injection mold having a hot runner system according to claim 1, wherein: the mold core is divided into a front mold core arranged in the front template and a rear mold core arranged in the rear template.

4. A precision injection mold having a hot runner system according to claim 3, wherein: two groups of water conveying guide pipes are respectively arranged on the outer side surfaces of the front mold core and the rear mold core.

5. A precision injection mold having a hot runner system according to claim 1, wherein: the front template is provided with a guide sleeve, the rear template is provided with a guide pillar, and the guide sleeve is movably connected with the guide pillar.

6. A precision injection mold having a hot runner system according to claim 1, wherein: four groups of ejector rods are further arranged between the rear template and the push plate, and return springs are arranged on the outer edges of the ejector rods.

7. The precision injection mold with a hot runner system according to claim 1, wherein the number of the spacers is two and is fixed between the bottom plate and the back mold plate.